When you create an array with multiple array sites, the array sites must be associated with the same device adapter pair and must have the same values for the following disk characteristics:
If you want to create an array from multiple array sites, you must select array sites that are associated with the same device adapter pair. You must also select array sites that have the same disk characteristics. If you want to create arrays from array sites that have different disk characteristics, you must create separate arrays for each set of disk characteristics.